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Physical contact is prevalent in the animal kingdom to recognize suitable mates by decoding information about sex, species, and maturity. Although chemical cues for mate recognition have been extensively studied, the role of mechanical cues remains elusive. Here, we show that C. elegans males recognize conspecific and reproductive mates through short-range cues, and that the attractiveness of potential mates depends on the sex and developmental stages of the hypodermis. We find that a particular group of cuticular collagens is required for mate attractiveness. These collagens maintain body stiffness to sustain mate attractiveness but do not affect the surface properties that evoke the initial step of mate recognition, suggesting that males utilize multiple sensory mechanisms to recognize suitable mates. Manipulations of body stiffness via physical interventions, chemical treatments, and 3D-printed bionic worms indicate that body stiffness is a mechanical property for mate recognition and increases mating efficiency. Our study thus extends the repertoire of sensory cues of mate recognition in C. elegans and provides a paradigm to study the important roles of mechanosensory cues in social behaviors.
Pubmed ID: 37541249
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Center that acquires, maintains, and distributes genetic stocks and information about stocks of the small free-living nematode Caenorhabditis elegans for use by investigators initiating or continuing research on this genetic model organism. A searchable strain database, general information about C. elegans, and links to key Web sites of use to scientists, including WormBase, WormAtlas, and WormBook are available.
View all literature mentionsCaenorhabditis elegans with name Caenorhabditis elegans wild isolate. from WB.
View all literature mentionsCaenorhabditis elegans with name bli-1(e769) II. from WB.
View all literature mentionsCaenorhabditis elegans with name srf-2(yj262) I. from WB.
View all literature mentionsCaenorhabditis elegans with name rol-6(su1006) II. from WB.
View all literature mentionsCaenorhabditis elegans with name lin-28(n719) I. from WB.
View all literature mentionsCaenorhabditis elegans with name lon-2(e678) from WB.
View all literature mentionsCaenorhabditis elegans with name lin-39(n1760)/dpy-17(e164) unc-32(e189) III. from WB.
View all literature mentionsCaenorhabditis elegans with name srd-1(eh1) II. from WB.
View all literature mentionsCaenorhabditis elegans with name dpy-7(e88) X. from WB.
View all literature mentionsCaenorhabditis elegans with name sqt-1(e1350) II. from WB.
View all literature mentionsCaenorhabditis elegans with name him-5(e1490) V; srf-5(ct115) X. from WB.
View all literature mentionsCaenorhabditis elegans with name srf-3(e2689) IV. from WB.
View all literature mentionsCaenorhabditis elegans with name daf-22(m130) II. from WB.
View all literature mentionsCaenorhabditis elegans with name EMPTY from WB.
View all literature mentionsCaenorhabditis elegans with name bli-2(e768) II. from WB.
View all literature mentionsCaenorhabditis elegans with name sqt-3(sc8) V. from WB.
View all literature mentionsCaenorhabditis elegans with name blmp-1(s71) I. from WB.
View all literature mentionsCaenorhabditis elegans with name EMPTY from WB.
View all literature mentionsCaenorhabditis elegans with name bus-1(e2678) V. from WB.
View all literature mentionsCaenorhabditis elegans with name dpy-7(e1324) X. from WB.
View all literature mentionsCaenorhabditis elegans with name dpy-2(e8) II. from WB.
View all literature mentionsCaenorhabditis elegans with name bus-4(e2693) IV. from WB.
View all literature mentionsCaenorhabditis elegans with name lin-41(ma104) I. from WB.
View all literature mentionsCaenorhabditis elegans with name ptr-15(e2710) V. from WB.
View all literature mentionsCaenorhabditis elegans with name gon-2(ok465) I/hT2 [bli-4(e937) let-?(q782) qIs48] (I;III). from WB.
View all literature mentionsPristionchus pacificus with name Pristionchus pacificus wild isolate. from WB.
View all literature mentionsCaenorhabditis elegans with name dpy-10(e128) II. from WB.
View all literature mentionsCaenorhabditis elegans with name dpy-7(sc27) X. from WB.
View all literature mentionsCaenorhabditis elegans with name bus-17(e2800) X. from WB.
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